public override Harmony <StopTimeInfo> GenerateRandomHarmony()
{
var randomArguments = GetRandomArguments();
var objectiveValue = ObjectiveFunction.GetObjectiveValue(randomArguments);
return(new Harmony <StopTimeInfo>(objectiveValue, randomArguments));
}
/// <summary>
/// Pitches the adjust harmony.
/// </summary>
/// <param name="harmony">The harmony.</param>
/// <returns></returns>
public override Harmony <StopTimeInfo> PitchAdjustHarmony(Harmony <StopTimeInfo> harmony)
{
if (harmony.Arguments.Length < 2 || harmony.Arguments.Last().StopDto.Name.TrimToLower() == Destination.Name.TrimToLower())
{
return(harmony);
}
var randomIndex = harmony.Arguments.GetRandomIndexMinimum(1);
var predecessorStopTimeId = harmony.Arguments[randomIndex - 1].Id;
var predecessorNode = Graph[predecessorStopTimeId];
var pitchAdjustedSuccessor = GetRandomNeighborNodeExceptExisting(predecessorNode, harmony.Arguments);
if (pitchAdjustedSuccessor != null)
{
harmony.Arguments[randomIndex] = pitchAdjustedSuccessor.Data;
}
harmony.ObjectiveValue = ObjectiveFunction.GetObjectiveValue(harmony.Arguments);
return(harmony);
}